Safety shield



FIG. 1 is a left front perspective view of a safety shield showing mynew design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a left side elevational view thereof, the right sideelevational view being a mirror image of that shown.

The ornamental design for a safety shield, as shown and described.